chmod +x on local.sh to allow it to be executed by stack.sh
chmod +x on local.sh to allow it to be executed by stack.sh

Allow sample local.sh to be found and run by stack.sh

Change-Id: Ic12f7376a01553e9cb0a5172af572cef59a5d6f3
openstack/octavia,openstack/octavia,openstack/octavia